diff --git a/billing-api/Dockerfile b/billing-api/Dockerfile
index de8790489..9f496cc7b 100644
--- a/billing-api/Dockerfile
+++ b/billing-api/Dockerfile
@@ -1,5 +1,6 @@
 FROM alpine:3.6
 EXPOSE 80
+EXPOSE 4772
 ENTRYPOINT ["/billing-api"]
 RUN apk add --update \
     ca-certificates \
diff --git a/users-sync/Dockerfile b/users-sync/Dockerfile
index c694b199d..806551374 100644
--- a/users-sync/Dockerfile
+++ b/users-sync/Dockerfile
@@ -3,6 +3,7 @@ RUN apk --no-cache add ca-certificates
 WORKDIR /
 COPY cmd/users-sync /
 EXPOSE 80
+EXPOSE 4772
 ENTRYPOINT ["/users-sync"]
 
 ARG revision